Orbit determination from a short arc through the coefficients of power series in time
Orbit Determination with Very Short Arcs: Admissible Regions
Orbit Improvement from Satellite Imaging Data Obtainable From Outer Planet Missions
Orbital contributions to the stability of triaxial galaxies
Orbital decay of satellite galaxies in spherical systems
Orbital deflections in N-body systems
Orbital eccentricity in a logarithmic potential
Orbital elements of 19 binary stars
Orbital evolution of Jupiter's 8th satellite
Orbital forcing of the inception of the Laurentide ice sheet?
Orbital Normalization of MESSENGER Gamma-Ray Spectrometer Data
Orbital planes of visual binary stars are randomly oriented - A statistical demonstration
Orbital simulations of satellite escape/capture and the origin of satellites such as Triton
Orbital stability in rotating triaxial stellar systems
Orbits and masses of Hyades visual binaries
Orbits in barred galaxies
Orbits of 15 visual binaries
Orbits of 18 visual binaries
Orbits of Minor Planets (Bowell+ 2009)
Orbits of Minor Planets (Bowell+ 2012)